#include <stdio.h>
#include <string.h>

struct MyStructure {   // Structure declaration
  int myNum;           // Member (int variable)
  char myLetter;       // Member (char variable)
  char myString[30];
}; // End the structure with a semicolon

int main(void)
{
  // struct MyStructure s1;
  
  // s1.myNum = 13;
  // s1.myLetter = 'B';
  // strcpy(s1.myString, "hello world");
  
  struct MyStructure s1 = {13, 'B', "hello world"};
  printf("%d\n", s1.myNum);  
  printf("%c\n", s1.myLetter);
  puts(s1.myString);

  printf("%zu\n", sizeof s1);
  

  return 0;
}
